You have an Azure subscription named Subscription1. You deploy a Linux virtual machine named VM1 to Subscription1. You need to monitor the metrics and the logs of VM1. What should you use?
A. the AzurePerformanceDiagnostics extension
Explanation:
To monitor both metrics and logs of a Linux virtual machine (VM1) in Azure, the best option is the AzurePerformanceDiagnostics extension. This extension:
Collects performance metrics (CPU, memory, disk, network, etc.)
Enables log collection for system events
Integrates with Azure Monitor and Azure Log Analytics for advanced analysis
Why Not the Other Options?
B. Azure HDInsight → Incorrect
Azure HDInsight is used for big data analytics, not VM monitoring.
C. Linux Diagnostic Extension (LAD) 3.0 → Incorrect
LAD 3.0 is outdated and mainly used for on-premises scenarios. Azure now recommends using the AzurePerformanceDiagnostics extension for monitoring.
D. Azure Analysis Services → Incorrect
This is used for data modeling and BI analytics, not VM monitoring.
Linux Diagnostic Extension (LAD) 3.0 is indeed a viable option for monitoring metrics and logs of a Linux VM in Azure. It collects system performance metrics and log events, and stores them in a designated storage account or sends them to Azure Event Hubs21. However, the AzurePerformanceDiagnostics extension is often preferred because it is more integrated with Azure Monitor, providing a more seamless experience for collecting and analyzing performance data.
Answer C "Linux Diagnostic Extension (LAD) 3.0" is still relevant (but a version 4.0 exists).
However Microsoft plans to merge all logs and monitoring agents stuff, including this extension, in the new AMA (Azure Monitoring Agent) https://learn.microsoft.com/en-us/azure/virtual-machines/extensions/diagnostics-linux?toc=%2Fazure%2Fazure-monitor%2Ftoc.json&tabs=azcli
correct
Use the Linux diagnostic extension 4.0 to monitor metrics and logs
Source: https://docs.microsoft.com/en-us/azure/virtual-machines/extensions/diagnostics-linux?tabs=azcli
same question in AZ-104, the provided answer is correct
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